Effect of C content on the microstructures and mechanical properties of laser additive manufactured Ni-base superalloys

doi:10.1016/j.heliyon.2023.e16111

IMR OpenIR

	Effect of C content on the microstructures and mechanical properties of laser additive manufactured Ni-base superalloys
	Xie, Mingjun 1,2
通讯作者	Xie, Mingjun(mingjunxie_ac@163.com)
	2023-05-01
发表期刊	HELIYON
卷号	9 期号:5 页码:12
摘要	In this study, we fabricated a Ni-base superalloy with three different carbon contents using laser metal deposition (LMD) and systematically investigated its microstructure and mechanical properties. The characterization results showed that carbides precipitated along the grain boundaries in the additive manufactured alloys, the amount increased with the carbon content, and the residual stress reduced with the carbon content. In addition, carbide precipitation was mainly MC (M is mainly Ti, Ta). These samples exhibited excellent mechanical properties compared to the cast samples. Rupture tests conducted at 760 degrees C/780 MPa indicated that the high carbon content in the additively manufactured alloy affected the rupture life, with the medium carbon additive manufactured alloy exhibiting better mechanical properties than the other carbon content.
关键词	Ni-base superalloys Laser metal deposition Carbon content Residue stress Rupture life
资助者	National Key R amp; D Program of China ; National Science and Technology Major Project
DOI	10.1016/j.heliyon.2023.e16111
收录类别	SCI
语种	英语
资助项目	National Key R amp; D Program of China[2021YFB3700400] ; National Science and Technology Major Project[Y2019-VII-0011-0151]
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:001040475900001
出版者	CELL PRESS
引用统计	被引频次：4[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/178733
专题	中国科学院金属研究所
通讯作者	Xie, Mingjun
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 2.Liaoning Petrochem Univ, Sch Mech Engn, Fushun 113001, Peoples R China
推荐引用方式 GB/T 7714	Xie, Mingjun. Effect of C content on the microstructures and mechanical properties of laser additive manufactured Ni-base superalloys[J]. HELIYON,2023,9(5):12.
APA	Xie, Mingjun.(2023).Effect of C content on the microstructures and mechanical properties of laser additive manufactured Ni-base superalloys.HELIYON,9(5),12.
MLA	Xie, Mingjun."Effect of C content on the microstructures and mechanical properties of laser additive manufactured Ni-base superalloys".HELIYON 9.5(2023):12.